package zhr.chapter5.seven;

public class Printer implements IUSB,IPower{
    @Override
    public void start() {
        System.out.println("打印机复印文件资料.");
    }

    @Override
    public void install() {
        System.out.println("安装打印机驱动程序.");
    }

    @Override
    public void work() {
        System.out.println("打印机打印资料.");
    }
}
